61055505011105 has 24 divisors (see below), whose sum is σ = 81330069402792. Its totient is φ = 43964360000000.

The previous prime is 61055505011077. The next prime is 61055505011143. The reversal of 61055505011105 is 50111050555016.

It can be written as a sum of positive squares in 4 ways, for example, as 41036887248016 + 20018617763089 = 6406004^2 + 4474217^2 .

It is not a de Polignac number, because 61055505011105 - 2¹⁰ = 61055505010081 is a prime.

It is a super-2 number, since 2×61055505011105² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 499533896 + ... + 499656105.

It is an arithmetic number, because the mean of its divisors is an integer number (3388752891783).

Almost surely, 2^{61055505011105} is an apocalyptic number.

It is an amenable number.

61055505011105 is a deficient number, since it is larger than the sum of its proper divisors (20274564391687).

61055505011105 is a wasteful number, since it uses less digits than its factorization.

61055505011105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999190129 (or 999190118 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 35.

The spelling of 61055505011105 in words is "sixty-one trillion, fifty-five billion, five hundred five million, eleven thousand, one hundred five".